Q. A and B together complete a work in 15 days. If B alone takes 30 days, A alone will take:
✅ Correct Answer: (C)
30 days
Explanation: A's rate = 1/15 − 1/30 = 1/30. Hence A takes 30 days.
Explanation by: Deepak Sahoo
A's rate = 1/15 − 1/30 = 1/30. Hence A takes 30 days.